>.cnpm install axios --save

>.main.js里

    import axios from 'axios'

    Vue.prototype.$http = axios;

>.app.Vue里

    data(){

        return {

            seller:{ }

        }

    },

    created(){

        this.$http.get('url').then(res=>{

            console.log(res.data);

            const res = res.data;

            this.seller = res.data

        })

    }

    好啦，如此简单，我已经学会了